The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Key Features

  • Supports heavy radial loads
  • Enhanced operational reliability
  • Long service life
CRB Single Row
Cylindrical-Roller-Radial-Bearings---Single-Row-Standard-RU_RJ
Unit of Measure
« 11 

Part Number

Bore (d)

O.D. (D)

Width (B)

Dynamic Radial Load Rating - 1M Revs (C1)

Shaft Backing Shoulder Diameter

Housing Backing Shoulder Diameter

Static Radial Load Rating (C0)

Thermal Reference Speed - Oil

Thermal Reference Speed - Grease 

CAD

300RU92AD1112 R3 N/A 300 mm N/A 540 mm21.2598 in N/A 7 in177.8 mm N/A 3700000 N832000 lbf N/A 343 mm13.5000 in N/A 497 mm19.6000 in N/A 6150000 N1380000 lbf N/A 540 rpm N/A 500 rpm N/A
300RU92 R3 N/A 300 mm N/A 540 mm21.2598 in N/A 7 in177.8 mm N/A 3700000 N832000 lbf N/A 343 mm13.5000 in N/A 497 mm19.6000 in N/A 6150000 N1380000 lbf N/A 540 rpm N/A 500 rpm N/A
120RIU515 R3 N/A 304.8 mm N/A 469.900 mm18.5000 in N/A 3.875 in98.425 mm N/A 1750000 N393000 lbf N/A N/A N/A 2960000 N665000 lbf N/A 670 rpm N/A 600 rpm N/A
125RIU550 R3 N/A 317.500 mm N/A 419.100 mm16.5000 in N/A 2 in50.8 mm N/A 693000 N156000 lbf N/A 337 mm13.3000 in N/A 400 mm15.8000 in N/A 1250000 N281000 lbf N/A 750 rpm N/A 640 rpm N/A
320RU30OA107 R3 N/A 320.000 mm N/A 480 mm18.8976 in N/A 4.7638 in121 mm N/A 2110000 N474000 lbf N/A 347 mm13.7000 in N/A 453 mm17.8000 in N/A 3990000 N897000 lbf N/A 610 rpm N/A 550 rpm N/A
320RU30OC1175 R4 N/A 320.000 mm N/A 480 mm18.8976 in N/A 4.7638 in121 mm N/A 2110000 N474000 lbf N/A 347 mm13.7000 in N/A 453 mm17.8000 in N/A 3990000 N897000 lbf N/A 610 rpm N/A 550 rpm N/A
320RU91 R3 N/A 320.000 mm N/A 500 mm19.685 in N/A 5.125 in130.175 mm N/A 2390000 N537000 lbf N/A 352 mm13.9000 in N/A 468 mm18.4000 in N/A 4210000 N946000 lbf N/A 600 rpm N/A 550 rpm N/A
320RU91 R3 N/A 320.000 mm N/A 500 mm19.685 in N/A 5.125 in130.175 mm N/A 2390000 N537000 lbf N/A 352 mm13.9000 in N/A 468 mm18.4000 in N/A 4210000 N946000 lbf N/A 710 rpm N/A 650 rpm N/A
320RU31OB1268 R2 N/A 320.000 mm N/A 540 mm21.2598 in N/A 6.9291 in176 mm N/A 3380000 N760000 lbf N/A N/A N/A 5860000 N1320000 lbf N/A 550 rpm N/A 510 rpm N/A
320RU31OB1268 R2 N/A 320.000 mm N/A 540 mm21.2598 in N/A 6.9291 in176 mm N/A 3380000 N760000 lbf N/A N/A N/A 5860000 N1320000 lbf N/A 550 rpm N/A 510 rpm N/A
320RU92AC1112 R3 N/A 320.000 mm N/A 580 mm22.8346 in N/A 7.5 in190.5 mm N/A 4020000 N904000 lbf N/A 370 mm14.6000 in N/A 530 mm20.9000 in N/A 6790000 N1530000 lbf N/A 500 rpm N/A 470 rpm N/A
340RU30 R3 N/A 340.000 mm N/A 520 mm20.4724 in N/A 5.2362 in133 mm N/A 2520000 N567000 lbf N/A 372 mm14.7000 in N/A 488 mm19.2000 in N/A 4580000 N1030000 lbf N/A 550 rpm N/A 510 rpm N/A
135RIJ580BO622 R3 N/A 342.900 mm N/A 457.2 mm18 in N/A 2.2500 in57.150 mm N/A 814000 N183000 lbf N/A 365 mm14.4000 in N/A 435 mm17.1000 in N/A 1530000 N344000 lbf N/A 680 rpm N/A 580 rpm N/A
145RIU610 R3 N/A 368.3 mm N/A 495.300 mm19.5000 in N/A 2.5000 in63.500 mm N/A 1080000 N243000 lbf N/A 391 mm15.4000 in N/A 473 mm18.6000 in N/A 1960000 N441000 lbf N/A 600 rpm N/A 520 rpm N/A
400RU30 R3 N/A 400 mm N/A 600 mm23.6220 in N/A 5.8268 in148 mm N/A 3070000 N690000 lbf N/A 438 mm17.2000 in N/A 562 mm22.1000 in N/A 5890000 N1320000 lbf N/A 450 rpm N/A 410 rpm N/A
160RIU643 R3 N/A 406.400 mm N/A 546.1 mm21.5 in N/A 2.75 in69.85 mm N/A 1320000 N297000 lbf N/A 432 mm17.0000 in N/A 521 mm20.5000 in N/A 2500000 N562000 lbf N/A 560 rpm N/A 500 rpm N/A
160RIU644 R2 N/A 406.400 mm N/A 603.25 mm23.75 in N/A 3.25 in82.55 mm N/A 1690000 N380000 lbf N/A 444 mm17.5000 in N/A 565 mm22.2000 in N/A 2770000 N623000 lbf N/A 510 rpm N/A 440 rpm N/A
440RU30OA107 R3 N/A 440 mm N/A 650 mm25.5906 in N/A 6.1811 in157 mm N/A 3660000 N823000 lbf N/A 476 mm18.7000 in N/A 613 mm24.1000 in N/A 7270000 N1630000 lbf N/A 380 rpm N/A 350 rpm N/A
530RU30AF1874 R3 N/A 530 mm N/A 780 mm30.7087 in N/A 7.2835 in185 mm N/A 5060000 N1140000 lbf N/A 578 mm22.8000 in N/A 730 mm28.7000 in N/A 10600000 N2380000 lbf N/A 280 rpm N/A 260 rpm N/A
530RU30OB630 R3 N/A 530 mm N/A 780 mm30.7087 in N/A 7.2835 in185 mm N/A 5060000 N1140000 lbf N/A 578 mm22.8000 in N/A 730 mm28.7000 in N/A 10600000 N2380000 lbf N/A 280 rpm N/A 260 rpm N/A
530RU30OB630 R4 N/A 530 mm N/A 780 mm30.7087 in N/A 7.2835 in185 mm N/A 5060000 N1140000 lbf N/A 578 mm22.8000 in N/A 730 mm28.7000 in N/A 10600000 N2380000 lbf N/A 280 rpm N/A 260 rpm N/A
220RIU744 R3 N/A 558.8 mm N/A 711.2 mm28 in N/A 4.3750 in111.125 mm N/A 2400000 N540000 lbf N/A 587 mm23.1000 in N/A 683 mm26.9000 in N/A 5570000 N1250000 lbf N/A 330 rpm N/A 300 rpm N/A
560RJ18 R3 N/A 560 mm N/A 680 mm26.7717 in N/A 2.2047 in56 mm N/A 877000 N197000 lbf N/A N/A N/A 2310000 N519000 lbf N/A 370 rpm N/A 320 rpm N/A
275RIU808 R3 N/A 698.5 mm N/A 1016 mm40.0000 in N/A 5.25 in133.35 mm N/A 4600000 N1030000 lbf N/A 757 mm29.8000 in N/A 957 mm37.7000 in N/A 8340000 N1870000 lbf N/A 230 rpm N/A 210 rpm N/A
Unit of Measure
« 11